[Buyer asking for samples.]

Can I share a website link as a WordPress developer for a sample

[Inbox Message]

Please guide me about Fiverr this question 
When I receive a message on Fiverr from any client then immediately reply but my still inbox shows 2, or 3 days of unread message 
All messages are read every time but facing this problem
So please tell me what I should do 

Thanks!

[Client not get]

Okay Thank you so much 

[Client not get]

okay but my gig is already active to the last 4 months 

[Client not get]

What is the perfect time when a buyer searching for services  
tell me according to Pakistani time if you know